Home / 14,230.33-19,638.39-7,943.92

Finding the Fourth Proportional to 14,230.33, 19,638.39 and 7,943.92

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Solution

The fourth proportional to 14,230.33, 19,638.39 and 7,943.92 is: 10,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.33 : 19,638.39 = 7,943.92 : x
  2. Step 2: Convert to fraction form
    14,230.33/19,638.39 = 7,943.92/x
  3. Step 3: Cross multiply
    14,230.33x = 19,638.39 × 7,943.92
  4. Step 4: Simplify right side
    14,230.33x = 156,005,799.09
  5. Step 5: Solve for x
    x = 156,005,799.09/14,230.33
  6. Step 6: Final answer
    x = 10,962.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.